

public class State {
	Integer id;
	
	public State() {
		this.id = -1;
	}
	
	public void setId(Integer x) {
		this.id = x;
	}
	
	public Integer getId() {
		return id;
	}
	
	public boolean equals(State s) {
		return s.getId() == this.id;
	}
	
	public String toString() {
		return this.id.toString();
	}
}
